demi

Etymology
From, from , from. lit..

Noun

 * 1)  A fifty pence piece.
 * 2) A bottle of wine containing 0.375 liters of fluid, half the volume of a standard bottle; a split.
 * 3) A small glass used chiefly in France (especially for beer) holding 250 mililiters.
 * 1) A small glass used chiefly in France (especially for beer) holding 250 mililiters.

Etymology
, from.

Adjective

 * 1) half

Noun

 * 1) half (fraction)
 * 2) (used in time) half (half-hour)
 * (where “demi” indicates a fraction and where there is no agreement in gender and number)
 * 1)  a person of multiracial descent, usually a person with French and other non-European origin; mixed-race
 * 2) a glass of beer of 250 ml volume
 * 3)  bathroom
 * 1)  bathroom

Preposition

 * 1) for the sake of

Etymology 1
See.

Etymology 2
See.